One mole of magnesium nitride on the reaction with an excess of water gives

• one mole of NH₃

• two moles of NH₃

• one mole of HNO₃

• two moles of HNO₃

Which of the following oxides is amphoteric in character?

• SnO₂

• SiO₂

• CO₂

• CaO

Which of the following does not react with sodium metal?

• (CH₃)₂O

• CH₃CH₂OH

• CH₃COOH

• C₆H₅OH

The IUPAC name for

• 5-chloro-hex-2-ene

• 2-chloro-hex-5-ene

• 1-chloro-1-methyl-pent-3-ene

• 5-chloro-5-methyl-pent-2-ene

The element which on burning in air gives peroxide is

• lithium

• sodium

• rubidium

• caseium

26.

In cyclopropane, cyclobutane and cyclohexane, the common group is

• 

• 

• -CH₃

• 

CH₃CH₂OH and CH₃OCH₃ are the examples of

• chain isomerism

• functional isomerism

• position isomerism

• metamerism

In the following reaction

RCH₂COOH $\stackrel{{\mathrm{Br}}_2/ \mathrm{P}}{\to } \mathrm{X} \stackrel{\mathrm{excess} {\mathrm{NH}}_3}{\to }$ Y

The major maounts of X and Y are

• RCHBrCONH₂; RCH(NH₂)COOH

• RCHBrCOOH; RCH(NH₂)COOH

• RCH₂COBr; RCH₂COONH₄

• RCHBrCOOH; RCH₂CONH₂

KMnO₄ (acidic/alkaline) is not decolourised by

• Mohr salt

• Oxalic acid

• Benzene

• Propene

White lead is

• PbCO₃PbO

• PbCO₃

• Pb(OH)₂.2PbCO₃

• PbSO₄.PbO