NMDCAT CHEM QUIZ-S and P Block Elements
NMDCAT Chemistry Quiz: S and P Block Elements
Challenge your knowledge of chemistry with our NMDCAT Chemistry Quiz focused on S and P Block Elements! This quiz is designed to help students prepare for their exams while reinforcing key concepts in chemistry.
Test your understanding and see how well you can identify:
- Key compounds and their properties
- The reactivity of different elemental groups
- Ionic and covalent relationships
1. Which of the compounds is known as Slaked lime?
(a) CaO
(b) CaSO4
(c) Ca(OH)2
(d) CaCO3
2. Which of the ions have maximum hydration energy?
(a) Sr2+
(b) Ca2+
C) Mg2+
(d) Be2+
3. As compared to K, Na has
(a) higher ionization potential
(b) lower melting point
(c) lower electronegativity
(d) larger atomic radius
4. Which one is the most stable carbonate?
(a) BaCO3
(b) MgCO3
(c) CaCO3
(d) BeCO3
5. Plaster of Paris (POP) is
(a) CaSO4.H2O
(b) CaSO4.2H2O
(c) CaSO4
(d) CaSO4.1/2H2O
6. Which oxide is amphoteric?
(a) BaO
(b) CaO
(c) BeO
(d) MgO
7. Be shows the diagonal relationship with
(a) Na
(b) Al
(c) Mg
(d) B
8. The tendency to lose their valance electron easily by alkali metals makes them
(a) strong reducing agent
(b) weak reducing agent
(c) strong oxidising agent
(d) weak oxidising agent
9. Which one is known as a fusion mixture?
(a) Na2CO3 + NaHCO3
(b) Na2CO3 + NaOH
(c) Na2CO3 + K2SO4
(d) Na2CO3 + K2CO3
10. Find the incorrect trend for alkaline earth metals
(a) atomic size Be < Mg < Ca < Sr
(b) second ionization energy Be < Mg < Ca < Sr
(c) Hydration enthalpy Sr < Ca < Mg < Be
(d) Density Ca < Mg < Be < Sr
11. Which of the following is NOT true for the Group 1A elements?
(a) Most of them are soft, silvery corrosive metals.
(b) Their atomic radii increases with increasing molecular weight.
(c) They are named the alkaline earth metals.
(d) They are excellent conductors of heat and electricity.
(e) They exhibit a +1 oxidation state in compounds.
12. Which element group is the most reactive of all the metallic elements?
(a) alkali metals
(b) alkaline earth metals
(c) coinage metals
(d) transition metals
(e) Group 2B metals
13. In a surprisingly large number of their properties beryllium resembles aluminum, and boron resembles silicon. Such a relationship is called:
(a) amphoterism
(b) an allotropic relationship
(c) a diagonal relationship
(d) the periodic law
(e) an isoelectronic series
14. Which of the following properties of the alkaline earth metals decreases with increasing atomic weight?
(a) ionic radii
(b) ionization energy
(c) atomic radii
(d) activity
(e) atomic number
15. Of the following oxides, the most basic is:
(a) MgO.
(b) Na2O.
(c) P2O3.
(d) BeO.
(e) SO2.
16. The most abundant metal in the earth's crust is:
(a) Cu
(b) Fe
(c) Na
(d) Al
(e) Ca
17-Ionization energy depends upon:
A-atomic or ionic radii
B-electron to proton ratio
C-shielding effect
D-all of above
18-2nd ionization energy of Mg is higher than the first because:
A-metallic charater of Mg+1 is less than that of Mg
B-nuclear pull for Mg+1 electron is more than that for the Mg atom
C-size of Mg is less than Mg+1
D-all of these
19-In a same period an element X belongs II-A group and another element Y belongs V-A group, mark the incorrect statement:
A-X is greater in atomic/size comparatively to Y
B- Y has more free electrons as compared to X
C-Y is a good conductor as compared to X
D- X is surely a metal while Y might be a non-metal or metalloid
20-Which of the following cation has a smallest size:
A-Al+3
B-Mg+2
C-Ca+2
D-Na+
21-Elements of Group-1 are called:
A. Chalcogens
B. Alkaline earth metals
C. Alkali metals
D. Halogens
22-Inert gases belong to which block of the periodic table?
A-S BLOCK
B-P BLOCK
C-D BLOCK
D-F BLOCK
23-Which of the following elements belongs to the same group as the element having configuration 1s2 2s2 2p1
A. E: (1s2 2s2 2p6 3s2 3p6 4s2 )
B. (1s2 2s2 2p6 3s2 3p3 )
C. (1s2 2s2 2p6 3s2 3p1 )
D. (1s2 2s2 2p6 3s2 3p5 )
24-The modern periodic table is divided into how many blocks?
A.3
B.8
C.5
D.4
25-Least reactive element of group II-A
A-Be
B-Mg
C-Ca
D-Sr
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