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CHEMISTRYHydrocarbonsMedium

An alkene "A" on reaction with $O_3$ and $Zn-H_2O$ gives propanone and ethanal in equimolar ratio. The addition of HCl to alkene "A" gives "B" as the major product. The structure of product "B" is:

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CHEMISTRYHydrocarbonsMedium

The product(s) that are formed when the given compound is treated with $Br_2$ in the presence of $FeBr_3$ are:

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CHEMISTRYHydrocarbonsEasy

The incorrect IUPAC name among the following is:

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CHEMISTRYHydrocarbonsMedium

The major product in the above mentioned reaction is:

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CHEMISTRYHydrocarbonsMedium

The reagent used to convert propene to 1-propanol is:

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CHEMISTRYHydrocarbonsMedium

When 2-Bromopentane reacts with ethanolic KOH, the main product that is formed is:

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CHEMISTRYHydrocarbonsEasy

In the given hydrocarbon, the type/state of hybridization of carbons 1, 3, and 5 respectively are:

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CHEMISTRYHydrocarbonsMedium

Using anhydrous $\text{AlCl}_3$ as a catalyst, which one of the following reactions produces ethylbenzene (PhEt)?

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CHEMISTRYHydrocarbonsMedium

On ozonolysis, the alkene that gives the following product (structure missing) is:

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Medium

A mixture of 2.3 g formic acid and 4.5 g oxalic acid is treated with conc. $H_2SO_4$. The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be

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Medium

The compound A on treatment with Na gives B, and with $PCl_5$ gives C. B and C react together to give diethyl ether. A, B and C are in the order

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CHEMISTRYHydrocarbonsMedium

The compound that has least hindered rotation around carbon-carbon bond is-

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BiologyEasy

Which one of the following is the most abundant protein in the animals?

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Medium

Which one of the following ions exhibits d-d transition and paramagnetism as well?

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Medium

In the reaction: (Phenol + $CHCl_3$ + $NaOH$ -> Salicylaldehyde derivative), the electrophile involved is

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PHYSICSEasy

<p class="p1" style="font-width: normal; font-size: 10px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(20, 20, 19); white-space: normal;">The work done to raise a mass m from the</p><p class="p1" style="font-width: normal; font-size: 10px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(20, 20, 19); white-space: normal;">surface of the earth to a height h, which is</p><p class="p1" style="font-width: normal; font-size: 10px; line-height: normal; font-family: Helvetica; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(20, 20, 19); white-space: normal;">equal to the radius of the earth, is:</p>

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CHEMISTRYHydrocarbonsMedium

In the following reactions, the major products are respectively:

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BiologyMedium

Match the following columns and select the correct option. Column-I (a) Floating Ribs (b) Acromion (c) Scapula (d) Glenoid cavity Column-II (i) Located between second and seventh ribs (ii) Head of the Humerus (iii) Clavicle (iv) Do not connect with the sternum

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BiologyEasy

Dissolution of the synaptonemal complex occurs during

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Easy

In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is

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