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If an atom has electronic configuration $1s^2 2s^2 2p^6 3s^2 3p^6 3d^3 4s^2$, we will place it in group number:
The compound that will not form a yellow precipitate on heating with an alkaline solution of iodine is:
Consider the given reaction: $$CH_3COCH_3 \xrightarrow{\text{dil. } Ba(OH)_2} X$$ The functional groups present in the compound "X" are:
The reaction between benzaldehyde and acetophenone in the presence of dilute NaOH is known as:
Ethylene oxide when treated with Grignard reagent yields:
Match the compounds given in List-I with their characteristic reactions given in List-II. Select the correct option. **List – I (Compounds)** (1) $CH_3CH_2CH_2CH_2NH_2$ (2) $CH_3C \equiv CH$ (3) $CH_3CH_2COOCH_3$ (4) $CH_3CH(OH)CH_3$ **List – II (Reactions)** (i) Alkaline hydrolysis (ii) With KOH (alcohol) and $CHCl_3$ produce a bad smell (iii) Gives white ppt. with ammoniacal $AgNO_3$ (iv) With Lucas' reagent cloudiness appears after 5 minutes
Given below are two statements: **Statement I:** The acidic strength of monosubstituted nitrophenol is higher than phenol because of electron withdrawing nitro group. **Statement II:** o-Nitrophenol, m-nitrophenol and p-nitrophenol will have same acidic strength as they have one nitro group attached to the phenolic ring. In the light of the above statements, choose the most appropriate answer from the options given below:
Which one of the following sets of monosaccharides forms sucrose?
The compound A on treatment with Na gives B, and with PCl₅ gives C. B and C react together to give diethyl ether. A, B and C are, respectively:
In the following reaction, product 'P' is:
An electric lift with a maximum load of $2000\text{ kg}$ (lift + passengers) is moving up with a constant speed of $1.5\text{ ms}^{-1}$. The frictional force opposing the motion is $3000\text{ N}$. The minimum power delivered by the motor to the lift in watts is : $(g = 10\text{ ms}^{-2})$
The incorrect statement about the denaturation of proteins is:
What is the order of the stability of the following tautomeric compounds? (Structures I, II, and III)
Consider the reaction: $$RCHO + NH_2NH_2 \rightarrow RCH=N-NH_2$$ What sort of reaction is it?
The reagent required to convert acetamide into methyl amine is:
D is N-methyl aniline in the given below sequence of reaction: $A \xrightarrow{\text{reduction}} B \xrightarrow{CHCl_3/KOH} C \xrightarrow{\text{reduction}} D$. Structure of A can be:
Which quantity is altered when a catalyst is introduced during a chemical reaction?
Which of the following statements about primary amines is false?
What is the correct order of the methyl-substituted amines' basic strength in an aqueous solution?
The correct order of increasing C-X bond reactivity toward nucleophiles among the following is: I. [Missing] II. [Missing] III. $(\text{CH}_3)_3\text{C-X}$ IV. $(\text{CH}_3)_2\text{CH-X}$