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Home /
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MDCAT Past Papers /
NUMS /
Chemistry /
Chap No 4 /
2021 /
Quiz 1

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MDCAT Past Papers - NUMS - Chemistry - Chap No 4 - 2021 Quiz

Attempt 10 MCQs on MDCAT Past Papers - NUMS - Chemistry - Chap No 4 (Year 2021) | Quiz 1

1. Which statement is true about electron affinity?

The value of electron affinity is always positive.
The value of electron affinity is always negative.
The value of first electron affinity is always positive.
The value of first electron affinity is always negative.

2. Electron affinity decreases down the group due to:

increases in atomic radius
Atomic radius decrease
Shielding decreases
None

3. Which is not ionic?

AlCl₃
MgCl₂
NaCl
KCl

4. Which of the following contain sp² hybridization?

Methane
Ethane
Ethyne
Ethene

5. Which of the following has greater bond energy?

HF
HCl
HI
HBr

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