Which of the following is an example of sublimation? Dry ice Camphor Ice Select the correct answer from the codes given below:
[A] Only 1 and 2
[B] All are correct
[C] Only 1
[D] Only 3
Submitted by :- Muhammad Nawaz
What happens when one S and one P orbital are hybridized?
[A] We get three orbitals in a plane
[B] We get two orbitals at 180 degrees
[C] We get two mutually perpendicular orbitals
[D] We get four orbitals directed tetrahedrally
[B] We get two orbitals at 180 degrees
[C] We get two mutually perpendicular orbitals
[D] We get four orbitals directed tetrahedrally
Submitted by :- Muhammad Nawaz
Isobars have:
[A] Same mass numbers but different atomic numbers
[B] Different mass numbers but same atomic numbers
[C] Same mass and atomic numbers
[D] Different mass and atomic numbers
Submitted by :- Muhammad Nawaz
Which metal does not present in the alloy “German Silver”?
[A] Nickel
[B] Zinc
[C] Copper
[D] Silver
[B] Zinc
[C] Copper
[D] Silver
Submitted by :- Muhammad Nawaz
Molecular orbital Theory is also called_________?
A. Bonding theory
B. Anti bonding theory
C. Band theory
D.π and σ bonding theory
Submitted by :- Jamil Ahmed
BeCl2 has the hybrid orbitals of type_______?
A. Sp2
B. Sp3
C. Sp
D. dsp2
Submitted by :- Jamil Ahmed
I3( Tri-iodine) has shape_________?
A. Trigonal bipyramidal
B. Linear
C. Square bipyramidal
D. Both A and C
Submitted by :- Jamil Ahmed
Water molecule is________?
A. V-shaped
B. Bent
C. Angular
D. All Of These
Submitted by :- Jamil Ahmed
The hybridization of nitrogen atom in pyridine is_______?
A. Sp
B. Sp2
C. Sp3
D. It is not hybridized
Submitted by :- Jamil Ahmed
Following are the anions of soap which form Ca and Mg ions which we see as curd in water
A. Sodium hexadecanoate
B. Sodium octadecanoate
C. Sodium pentadecanoate
D. Both A & B
Submitted by :- Jamil Ahmed