S-Block Elements Group 1 and 2-Anomalous Properties of the First Element of Each Group (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 5 of 5

Access detailed explanations (illustrated with images and videos) to 1258 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 500.00 or

How to register?

Question number: 1

» S-Block Elements Group 1 and 2 » Anomalous Properties of the First Element of Each Group

Edit
MCQ▾

Question

Lithium shows anomalous property when compared to other alkali metals, why?

Choices

Choice (4) Response

a.

Small size of lithium atom and Li +

b.

Greater hardness of Li +3

c.

Hydration of Li +3

d.

None of the above

Question number: 2

» S-Block Elements Group 1 and 2 » Anomalous Properties of the First Element of Each Group

Edit
MCQ▾

Question

Beryllium show diagonal relationship with aluminium. Which one of the following properties

is not shown by both?

Choices

Choice (4) Response

a.

Beryllium and aluminium occur together in nature in beryl

b.

BeO and Al 2O 3 are amphoteric

c.

Be 2 C and Al 4C 3 are methanides

d.

Beryllium and aluminium have same maximum covalency

Question number: 3

» S-Block Elements Group 1 and 2 » Anomalous Properties of the First Element of Each Group

Edit
MCQ▾

Question

Which of the following has the tendency to form covalent compounds?

Choices

Choice (4) Response

a.

Magnesium

b.

Beryllium

c.

Calcium

d.

Strontium

Question number: 4

» S-Block Elements Group 1 and 2 » Anomalous Properties of the First Element of Each Group

Edit
MCQ▾

Question

Li has following abnormal behavior in its group?

Choices

Choice (4) Response

a.

is covalent in nature

b.

Lithium carbonate decomposes into its oxide on heating unlike other metals

c.

is poor conductor of electricity in molten state

d.

is stable compound

Question number: 5

» S-Block Elements Group 1 and 2 » Anomalous Properties of the First Element of Each Group

Edit
MCQ▾

Question

The second ionization enthalpies of alkali metals are higher than corresponding alkaline earth metals, why?

Choices

Choice (4) Response

a.

because of increase in atomic size

b.

electrons are loosely held towards nucleus

c.

one can’t predict the exact reason

d.

electrons are tightly held towards nucleus

Developed by: