In which of the following representations given below spatial arrangement of group/atom is different from that given in structure 'A'?

a.		b.
c.		d.

Choose the correct option

1. (a, b, c)

2. (b, c, d)

3. (c, d, a)

4. (a, d, b)

Electrophiles are electron-seeking species. Which of the following groups contain only electrophiles?

(a). BF₃, NH₃, H₂O

(b). AlCl₃, SO₃ , NO₂⁺

(c). NO₂⁺ , CH₃⁺, CH₃-C⁺=O

(d) C₂H₅^-, , C₂H₅⁺

Choose the correct option

1. (a, b)

2. (b, c)

3. (c, d)

4. (a, d)

Consider the following four compounds.

(I).
(II).
(III).
(IV).

Which of the following pairs are position isomers?

1. I and II

2. II and III
3. II and IV

4. III and IV

Consider the following four compounds.

I.
II.
III.
IV.

Consider the following pairs of compounds.

(a) II and III

(b) II and IV

(c) I and IV

(d) I and II

Choose the pairs given above that are not functional group isomers:

1. (a, b)

2. (b, c)

3. (c, d)

4. (a, c)

A nucleophile is a species that should have

(a) A pair of electrons to donate

(b) Positive charge

(c) Negative charge

(d) Electron-deficient species

Choose the correct option

1. (a, b)

2. (b, c)

3. (c, d)

4. (a, c)

Hyperconjugation involves delocalization of -

Choose the correct option :

1. (a, b)

2. (b, c)

3. (c, d)

4. (a, c)

Two of the following compounds contain all the carbon atoms in the same hybridisation state.

(a) $\mathrm{H}-\mathrm{C}\equiv \mathrm{C}-\mathrm{C}\equiv \mathrm{C}-\mathrm{H}$

(b) ${\mathrm{CH}}_3-\mathrm{C}\equiv \mathrm{C}-{\mathrm{CH}}_3$

(c) ${\mathrm{CH}}_2=\mathrm{C}={\mathrm{CH}}_2$

(d) ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{CH}={\mathrm{CH}}_2$

Choose the correct option:

1. a, b

2. b, c

3. c, d

4. a, d

Given below are two statements: 

Given below are two statements: 

Given below are two statements: