A. Outer transition elements
B. Inner transition elements
C. Typical transition elements
D. Transition elements
✅ The correct answer is option D.
Chemistry
Practice the latest Chemistry MCQs with answers and explanations to prepare for exams and job tests. Our collection covers key topics such as atomic structure, periodic table, chemical bonding, organic chemistry, inorganic chemistry, physical chemistry, and environmental chemistry. These Chemistry multiple-choice questions are designed for students, competitive exam aspirants, and professionals appearing in NTS, PPSC, FPSC, CSS, PMS, university entry tests, and medical admission tests. Improve your concepts and problem-solving skills with our updated and comprehensive Chemistry MCQs online.
172. Aniline is a derivative of benzene which contains
A. Imino group
B. Amino group
C. Amide group
D. Nitro group
✅ The correct answer is option B.
173. The oxidation of isopropyl alcohol will yield
A. Propane
B. Propanol
C. Propanone
D. Propanoic acid
✅ The correct answer is option C.
174. The location of transition elements is in between
A. lanthanides & actinides
B. S and P block elements
C. Chalcogens and halogens
D. D and F block elements
✅ The correct answer is option B.
175. How many electrons are there in benzene to form the delocalized electronic cloud
A. 3
B. 4
C. 6
D. 8
✅ The correct answer is option C.
176. What will be the products when reactants are alcohol & thionyl chloride in the presence of pyridine?
A. RCl+S+HCl
B. RCI+SO2+HCl
C. RCl+SO2+H2O
D. RCl+S+H2O
✅ The correct answer is option B.
177. The melting points and boiling points up to the middle of 3d- series
A. Increases
B. Decreases
C. Remain same
D. No regular trend
✅ The correct answer is option A.
178. Nitration of chlorobenzene gives
A. o – chloronitrobenzene
B. p – chloronitrobenzene
C. m – chloronitrobenzene
D. A & B
✅ The correct answer is option D.
179. Which C-X bond has the highest bond energy per mole?
A. C-F
B. C-Cl
C. C-Br
D. C-I
✅ The correct answer is option A.
180. Pure metal
A. Corrode slowly
B. Corrode rapidly
C. Does not corrode easily
D. None of these
✅ The correct answer is option C.