Options:
- A. E1
- B. E2
- C. SN1
- D. SN2
View Answer
C. SN1
Chemistry
K2Cr2O7/H2SO4 generate____________________?
Options:
- A. Oxygen
- B. Hydrogen
- C. Nascent oxygen[O]
- D. Nascent hydrogen[H]
View Answer
C. Nascent oxygen[O]
Which electronic configuration corresponds to an element of group IIIA ?
Options:
- A. 1s2 2s2 2p3
- B. 1s2 2s2 2p6 3s2 3p1
- C. 1s2 2s2 2p4
- D. 1s2 2s2 2p6 3s2 3p6 4s2 3d1
View Answer
B. 1s2 2s2 2p6 3s2 3p1
Which one of the following is not a semiconductor ?
Options:
- A. Si
- B. Ge
- C. Se
- D. Sn
View Answer
D. Sn
P2O5 is a hygroscopic powder which sublimes at______________?
Options:
- A. 260
- B. 360
- C. 630
- D. 620
View Answer
B. 360
The element of group VIA which is a non-metal is________________?
Options:
- A. S
- B. Se
- C. Te
- D. Po
View Answer
A. S
The chemical formula of sodium hypochlorite is________________?
Options:
- A. NaCLO
- B. NaClO2
- C. NaClO3
- D. NaClO4
View Answer
A. NaCLO
Fluorine can react with_________________?
Options:
- A. Xe
- B. Kr
- C. Rn
- D. All of the above
View Answer
D. All of the above
Which one is Chloroform_________________?
Options:
- A. CH2Cl2
- B. CH3Cl
- C. CHCl3
- D. CCl4
View Answer
C. CHCl3
Vinylacetylene combines with HCI to form___________________?
Options:
- A. polyacetylene
- B. benzene
- C. chloroprene
- D. divinyl acetylene
View Answer
C. chloroprene