TS Polycet (Polytechnic) 2017 Previous Question Paper with Answers And Model Papers With Complete Analysis

111)Metalloids are

A) s-block elements

B) d-block elements

C) f-block elements

D) p-block elements

View Answer

D) p-block elements
112)The ionization energy in the periodic table

A) decreases go down the group

B) increases go down the group

C) decreases from the left to right in a period

D) remains same go down the group

View Answer

A) decreases go down the group
113)Which of the following elements lose three valence electrons to get octet in its outer shell?

A) Cs

B) Mg

C) O

D) AI

View Answer

D) AI
114)The element with negative charge having the electronic configuration 2, 8, 8 is

A) O2-

B) Cl

C) S2-

D) P3-

View Answer

B) Cl
115)The condition for the formation of ionic bond is

A) elements involved should be of equal size

B) high electro positivity of atoms

C) atoms should have low ionization potential

D) elements with high electronegativity difference

View Answer

D) elements with high electronegativity difference
116)The molecule involves sp3 hybridization is

A) CH4

B) NH3

C) H2O

D) All

View Answer

D) All
117)Ionic compounds are soluble in

A) benzene

B) CCl4

C) kerosene

D) water

View Answer

D) water
118)Carnallite is the ore of

A) Pb

B) Mg

C) Hg

D) Zn

View Answer

B) Mg
119)Thermite reaction involves reaction of metal oxide with

A) Ag

B) Fe

C) AI

D) Hg

View Answer

C) AI
120)How many unpaired electrons the carbon atom possess in the ground state?

A) 2

B) 3

C) 4

D) 1

View Answer

A) 2
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