Given below are two statements:
Assertion (A): | [SiF6]2– is known whereas [SiCl6]2– is not. |
Reason (R): | Cl atom causes higher steric hindrance. |
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. |
The incorrect statement among the following about silicone is-
1. | It has (-R2SiO-) as a repeating unit |
2. | They are hydrophilic(water loving) in nature. |
3. | They have high thermal stability, and high dielectric strength |
4. | They are used in surgical and cosmetic plant |