The equivalent weight of H₃PO₂, when it disproportionates into PH₃ and H₃PO₃ is
The equivalent weight of H₃PO₂, when it disproportionates into PH₃ and H₃PO₃ is Options (a) 82 (b) 61.5 (c) 41…
7 years ago
Easy
If the equivalent weight of an element is 32, then the percentage of oxygen
If the equivalent weight of an element is 32, then the percentage of oxygen in its oxide is Options (a)…
7 years ago
The total number of atomic orbitals in fourth energy level of an atom is :
The total number of atomic orbitals in fourth energy level of an atom is : Options (a) 8 (b) 16…
7 years ago
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…
7 years ago
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)…
7 years ago
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)…
7 years ago
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)…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago