- 1(current)
Q. No.Given below are two statements:
| Assertion (A): |
Second-period elements do not exhibit the excitation of electrons. |
| Reason (R): | Second-period elements do not have vacant d-orbitals. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Types of Chemical Bond |
Level 3: 35%-60%
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Which of the following contains ionic, covalent, and coordinate bonds?
1. \(NaCN \)
2. \(PH_4Cl \)
3. \(CH_3COONa \)
4. \(N_3H \)
1. \(NaCN \)
2. \(PH_4Cl \)
3. \(CH_3COONa \)
4. \(N_3H \)
Subtopic: Â Types of Chemical Bond |
Level 4: Below 35%
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- 1(current)
Q. No.
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