31.

The chemical formula of 'tear gas' is

• COCl₂

• CO₂

• Cl₂

• CCl₃NO₂

Assertion (A) - At 300 K, kinetic energy of 16 g of methane is equal to the kinetic energy of 32 g of oxygen.

Reason (R) - At constant temperature, kinetic energy of one mole of all gases is equal.

The correct answer is 

• Both (A) and (R) are true and (R) is the correct explanation of (A)

• Both (A) and (R) are true but (R) is not the correct explanation of (A).

• (A) is true but (R) is not true.

• (A) is not true but (R) is true

Which one of the following is a secondary alcohol?

• 2-methyl-1 propanol

• 2-methyl-2-propanol

• 2-butanol

• 1-butanol

The IUPAC name of an unsymmetrical ether with the molecular formula = C₄H₁₀O

• ethoxy propane

• methoxy ethane

• ethoxy ethane

• methoxy propane

The following reaction is an example of .......... reaction-

C₂H₄Br₂ → C₂H₂

• addition

• dehydrohalogination

• substitution

• debromination

Identify 'acetaldoxime'

• CH₃CH=N-NH₂

• CH₃CH=N-OH

• (CH₃)₂C=N-OH

• CH₂≡N-OH

Identify A and B in the following reaction-

C₂H₅Cl $\stackrel{\mathrm{A}}{\to }$ C₂H₅OH $\stackrel{\mathrm{B}}{\leftarrow }$ C₂H₅Cl

• A = aq. KOH; B = AgOH

• A = al. KOH/ $∆$; B = aq. NaOH

• A = aq. NaOH; B = AgNO₂

• A = AgNO₂; B = KNO₂

Which one of the following functional groups undergoes hydrolysis with alkali to yield an acid group?

• -CN

• -CHO

• -COCH₃

• -Br

Which one of the following compounds forms a quaternary salt on reacting with excess methyl iodide?

• C₂H₅OCH₃

• (CH₃)₂CHOC₂H₅

• C₆H₅NH₂

• C₆H₅NO₂

Which of the following reagents can form a hydrazone with alkanone ?

• NH₃OHCl

• PhNHNH₂

• NH₂NHCONH₂

• HCN