Octet Rule
Trending Questions
Q. Irrespective of the source of water, a pure sample always yields 88.89% oxygen and 11.11% hydrogen by mass. This can be explained using law of
- conservation of mass
- definite proportions
- reciprocal proportions
- multiple proportions
Q.
In methane, the valency of carbon is:
Q. Which of the following molecules follows octet rule?
- XeF2
- SF4
- PCl3F2
- SiCl4
Q. 10 g of an oxide of X contains 5.0 g of X while 8.0 g of another oxide of the same species contains 3.2 g of X. Which law is indicated in this data?
- Law of multiple proportions
- Law of conservation of mass
- Law of constant proportions
- Law of reciprocal proportions
Q. In which of the following compounds does the central atom violate the octet rule?
(Given: Atomic number, Se=34, As=33, B=5, N=7)
(Given: Atomic number, Se=34, As=33, B=5, N=7)
- NH3
- SeF2
- BF3
- AsF3
Q.
The element that obeys duplet law is
Oxygen
Hydrogen
Nitrogen
Carbon
Q. Octet rule is applicable to which of the following species?
- BrF5
- SF6
- IF7
- CO2
Q. Elements X and Y have valence shell electronic configurations X=ns2np5;Y=ns2np3. Which compound is likely formed from X and Y?
- X3Y5
- Y3X5
- XY
- YX3
Q.
Which of the following substances are repelled by magnetic field?
Paramagnetic
Diamagnetic
Ferromagnetic
None of these
Q. Elements X and Y have valence shell electronic configurations X=ns2np5;Y=ns2np3. Which compound is likely formed from X and Y?
- X3Y5
- Y3X5
- XY
- YX3
Q. Which of the following has been arranged in the order of decreasing dipole moments?
- CH3Cl>CH3F>CH3Br>CH3I
- CH3F>CH3Cl>CH3Br>CH3I
- CH3Cl>CH3Br>CH3I>CH3F
- CH3F>CH3Cl>CH3I>CH3Br
Q. NO2 does not obey octet rule because:
- It has odd number of electrons
- It has extended octet
- Nirogen cannot obey octet in its compounds
- None of the above
Q. Which compound is zero valency metal complex
- [Cu(NH3)4]SO4
- [Pt(NH3)2Cl2]
- [Ni(CO)4]
- K3[Fe(CN)6]
Q. Match list-I with list-II:
Choose the correct answer from the options given below
(JEE (MAIN)-2021)
List-I (Molecule) |
List-II (Bond order) |
(a)Ne2 | (i) 1 |
(b)N2 | (ii) 2 |
(c)F2 | (iii) 0 |
(d)O2 | (iv) 3 |
Choose the correct answer from the options given below
(JEE (MAIN)-2021)
- (a)−(i);(b)−(ii);(c)−(iii);(d)−(iv)
- (a)−(iv);(b)−(iii);(c)−(ii);(d)−(i)
- (a)−(ii);(b)−(i);(c)−(iv);(d)−(iii)
- (a)−(iii);(b)−(iv);(c)−(i);(d)−(ii)