BeCl2 has the hybrid orbitaks of type_______?
BeCl2 has the hybrid orbitaks of type_______?
A. Sp2
B. Sp3
C. Sp
D. dsp2
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P2O5 is a hygroscopic powder which sublimes at______________?
P2O5 is a hygroscopic powder which sublimes at______________?A. 260°C
B. 360°C
C. 630°C
D. 620°CWhat do we call to sudden expansion of plasma ?
What do we call to sudden expansion of plasma ?A. Avogadros law
B. Grahams law of diffusion
C. Joule Thompson effect
D. Daltons law of partial pressureWhen CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?
When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields______________?A. Carboxylic acid
B. Ethanoic acid
C. Propanoic acid
D. Butanoic acidWhich one of the following set of raw material is most suitable for manufacture of urea ?
Which one of the following set of raw material is most suitable for manufacture of urea ?A. CH4 N2 and CO2
B. H2 N2 and CO
C. H2 CO2 and H2O
D. H2O N2 and H2Which of the following statements is incorrect about halogens ?
Which of the following statements is incorrect about halogens ?A. All are non-metals
B. All the halogens have electronic conviguration ns2p5
C. They have high electron attinity and ionization energy
D. All the halogens react with noble gases to form their halidesVoltaic cell can be recharged by______________?
Voltaic cell can be recharged by______________?A. by addition of fresh solution
B. by replacing external circuit with external source of electricity
C. by removal of solution
D. by heating it