1. P2O5
2. PCl5
3. NaOH
4. FeCl3
FeCl<sub>3</sub>
1. XeO3 has four σ and four π bonds
2. The hybridisation of Xe in XeF4 is sp3d2
3. Among noble gases, the occurrence
4. Liquid helium is used as cryogenic liquid
XeO<sub>3</sub> has four σ and four π bonds
1. C2H6 and CO2
2. C2H4 and CO2
3. CH4 and H2
4. CH4 and CO2
C<sub>2</sub>H<sub>6</sub> and CO<sub>2</sub>
1. KHCO3
2. Alcoholic KOH
3. Aqueous KOH
4. K2CO3
Aqueous KOH
1. Al, AlCl3, NaAlO2
2. Zn, Na2ZnO2, Al (OH)3
3. Al, Al(OH)3,AlCl3
4. Al,NaAlO2,Al(OH)3
Al,NaAlO<sub>2</sub>,Al(OH)<sub>3</sub>
1. density (g.ml-1) at 20oC
2. boiling point
3. dielectric constant at 20oC
4. latent heat of vaporization
dielectric constant at 20<sup>o</sup>C
1. lead is used as cathode
2. 50% H2SO4 is used
3. hydrogen is liberated at anode
4. sulphuric acid undergoes oxidation
hydrogen is liberated at anode<br>
1. 1
2. 4
3. 2
4. 0.5
1
1. X=C2H5OH,Y=C2H4
2. X=CH3CO2H,Y=(CH3CO)2O
3. X=CH3CO2H,Y=CH3CO2CH3
4. X=C2H5OH,Y=CH3CO2H
X=CH3CO2H,Y=(CH3CO)2O
1. The pH of one litre solution containing 0.49g of H2SO4 is 2.0
2. The conjugate base of H2S is S2-
3. BF3 Lewis base
4. Phenolphthalein is colourless in basic medium
The pH of one litre solution containing 0.49g of H<sub>2</sub>SO<sub>4</sub> is 2.0