Memory

The density of air is 0.001293 g/cc at STP. Its vapour density is

The density of air is 0.001293 g/cc at STP. Its vapour density is Options (a) 0.001293 (b) 8.2786 (c) 14.49…

Maximum number of electrons in a subshell with l=3 and n=4 is

Maximum number of electrons in a subshell with l=3 and n=4 is Options (a) 14 (b) 16 (c) 10 (d)…

For azimuthal quantum number l= 3,the maximum number of electrons will be

For azimuthal quantum number l= 3,the maximum number of electrons will be Options (a) 2 (b) 6 (c) 0 (d)…

Boron has two stable isotopes, ¹°B(19%) and ¹¹B(81%). Average atomic weight

Boron has two stable isotopes, ¹°B(19%) and ¹¹B(81%). Average atomic weight for boron in the periodic table is Options (a)…

1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide

1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide. The equivalent weight of metal is…

If principal quantum number n=4, the total number of orbitals having l=3 is

If principal quantum number n=4, the total number of orbitals having l=3 is Options (a) 3 (b) 7 (c) 5…

At S.T.P the density of CCl₄ vapours in g/L will be nearest to

At S.T.P the density of CCl₄ vapours in g/L will be nearest to Options (a) 6.87 (b) 3.42 (c) 10.26…

Maximum number of H-bonds in one molecule of water is

Maximum number of H-bonds in one molecule of water is Options (a) 1 (b) 2 (c) 3 (d) 4 Correct…

In the final answer of the expression (29.2 – 20.2) (1.79 x 10⁵) / 1.37. The number

In the final answer of the expression (29.2 - 20.2) (1.79 x 10⁵) / 1.37. The number of significant figures…

What is the maximum number of electrons that can be associated with the following

What is the maximum number of electrons that can be associated with the following set of quantum numbers? n=3, l=1…