Question Bank Directory

Which solution is part of Fehling solution 'A' (used in tests for reducing sugars and aldehydes)?

Among the following, the most characteristic oxidation states for lead and tin are, respectively:

Which ion is isoelectronic with $Be^{2+}$?

Which of the following alkane cannot be made in good yield by Wurtz reaction?

Which one of the following reaction sequences is the incorrect method to prepare phenol?

The correct state of hybridisation of C2, C3, C5 and C6 of the hydrocarbon $$ \overset{1}{\text{HC}} \equiv \overset{2}{\text{C}} - \overset{3}{\text{CH}}_2 - \overset{4}{\text{CH}} = \overset{5}{\text{CH}} - \overset{6}{\text{CH}}_3 $$ is in the sequence:

When a liquid boils, there is [JIPMER 2002]:

Which of the following options correctly represents the relationship between $C_P$ and $C_V$ for one mole of an ideal gas?

Identify the major product obtained in the following reaction:

The correct increasing order of basic strength of the given molecules is: (I) (II) (III)

Which amine reacts with Hinsberg's reagent to produce an alkali insoluble product?

Dihedral angle of least stable conformer of ethane is :

Which one of the following vitamins is water-soluble?

Tritium, a radioactive isotope of hydrogen, emits which of the following particles?

The compound which shows metamerism is :

The product formed from the following reaction sequence is:

In which of the following molecules are all the bonds not equal?

Zr ($Z = 40$) and Hf ($Z = 72$) have similar atomic and ionic radii because of :

Match List-I with List-II: **List-I (Quantum Number)** (A) $m_l$ (B) $m_s$ (C) $l$ (D) $n$ **List-II (Information provided)** (I) Shape of the orbital (II) Size of the orbital (III) Orientation of the orbital (IV) Orientation of spin of the electron Choose the correct answer from the options given below:

Acetophenone when reacted with a base, $C_2H_5ONa$, yields a stable compound which has the structure: