Match List I (species) with List II (hybridization) and select the correct code given below
List I | List II | |
A. | XeF4 | (i) dsp2 |
B. | H2O | (ii) sp3 |
C. | PCl5 | (iii) sp3d2 |
D. | [Pt(NH3)4]2+ | (iv) sp3d |
A B C D
(iii) (ii) (iv) (i)
A B C D
(i) (iv) (ii) (iii)
A B C D
(iii) (iv) (ii) (i)
A B C D
(i) (ii) (iv) (iii)
Which of the following statment is true?
SnCl4 is more stable than SnCl2
PbCl2 is more stable than PbCl4
GeCl4, is more stable than GeCl2
TICl3 is more stable than TICl
Microcosmic salt when heated strongly, a transparent bead is formed which is used in the identification of
ZnO
Al2O3
MgO
SiO2
Which of the following compounds gives metal on heating?
AgNO3
Ca(NO3)2
Ni(NO3)2
Pb(NO3)2
A.
AgNO3
AgNO3 on heating gives silver metal. It is stable upto 650 K and starts decomposing above this temperature.
Which of the following compound liberate Cl2 gas when react with I2 ?
Potassium permanganate
Potassium chlorate
Hypo
Potassium dichromate
Neon atom requires energy to remove one electron from its outermost orbit, so also to add one electron into the outermost orbit.
Which of the following is correct about fluorine?
I. Fluorine releases energy when an electron is removed.
II. Fluorine requires energy to add one electron.
(I) and (II) are correct
(I) is correct, (II) is false
(I) is false, (II) is correct
(I) and (II) are false
The correct order of ionic radius of nitrogen family is
N3- < P3- < As3- < Sb3- < Bi3-
N3- < P3- < Sb3-
P3- = As3- > Bi3-
N3- > Bi3- > Sb3-