The correct order of ionic character among CaH2, BeH2 and BaH2 is:
1. BeH2<CaH2<BaH2
2. CaH2<BeH2<BaH2
3. BeH2<BaH2<CaH2
4. BaH2<BeH2<CaH2
1. | NO | 2. | CN– |
3. | CN+ | 4. | CN |
1. BeH2<CaH2<BaH2
2. CaH2<BeH2<BaH2
3. BeH2<BaH2<CaH2
4. BaH2<BeH2<CaH2
The species, having bond angles of 120° is :
1. PH3
2. ClF3
3. NCl3
4. BCl3
Which of the following pairs of compounds is isoelectronic and isostructural?
(1) BeCl2, XeF2
(2) Tel2, XeF2
(3) IBr-2, XeF2
(4) IF3, XeF2
Which one of the following pairs of species have the same bond order?
(1) CO, NO
(2) O2- , CN-
(3) CN- , NO+
(4) N+ , CN+
Which of the following species has a bond angle of 120∘?
1. SF6
2. NCl3
3. BCl3
4. PH3
Which of the following pairs of species have the same bond order?
1. O-2,NO+
2. CN-,CO
3. N2, O-2
2. CO, NO
Which of the following pairs share both isoelectronicity and isostructural characteristics?
NO-3, CO-23, ClO-3, SO3
1. NO-3, CO-23
2. SO3, NO-3
3. ClO-3, CO-23
4. CO-23, ClO-3
In which of the following compounds is an intramolecular hydrogen bond present?
1. | H2O2 | 2. | HCN |
3. | Cellulose | 4. | Concentrated acetic acid |