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Top 1000 Questions for General Chemistry
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General Chemistry
Page Number- 3
(1) Al की अधिकतम covalency क्या है??
A.
1
B.
3
C.
6
D.
8
0
Show Answer
(c) 6
(2) निम्नलिखित में से कौन सा amphoteric oxide है??
A.
Al₂O₃
B.
N₂O
C.
Na₂O
D.
CO₂
0
Show Answer
(a) Al₂O₃
(3) N³⁻ and Na⁺ आयनों में क्या समान है??
A.
Atomic number (परमाणु संख्या)
B.
Mass number (द्रव्यमान संख्या)
C.
Number of element (तत्वों की संख्या)
D.
Same number of neutrons (न्यूट्रॉन की समान संख्या)
0
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(c) Number of element (तत्वों की संख्या)
(4) निम्नलिखित में से कौन सी धातु एक typical d-block element है??
A.
Zn
B.
Cr
C.
Cd
D.
Hg
0
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(b) Cr
(5) निम्नलिखित में से कौन सी property आम तौर पर group में नीचे जाने पर बढ़ती है??
A.
Atomic radius (परमाणु त्रिज्या)
B.
Ionization enthalpy (आयनीकरण एन्थैल्पी)
C.
Electronegativity (विद्युत ऋणात्मकता)
D.
Electron gain enthalpy (इलेक्ट्रॉन लाभ एन्थैल्पी)
0
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(a) Atomic radius (परमाणु त्रिज्या)
(6) निम्नलिखित में से कौन सी d-block element की विशेषता नहीं है??
A.
Metallic nature (धातु प्रकृति)
B.
Coloured ions (रंगीन आयन)
C.
Radioactive nature (रेडियोधर्मी प्रकृति)
D.
Paramagnetic nature (अनुचुंबकीय प्रकृति)
0
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(c) Radioactive nature (रेडियोधर्मी प्रकृति)
(7) आवर्त सारणी (periodic table) में सबसे अधिक I.E. वाला तत्व कौन सा है??
A.
He
B.
F
C.
N
D.
O
0
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(a) He
(8) Size का सही क्रम ज्ञात कीजिए??
A.
Na⁺ > Mg²⁺ > Al³⁺
B.
F⁻ > O²⁻ > N³⁻
C.
F > F⁻ > O²⁻
D.
I⁺ > I > I⁻
0
Show Answer
(a) Na⁺ > Mg²⁺ > Al³⁺
(9) निम्नलिखित में से कौन सा amphoteric oxide है??
A.
NO
B.
As₂O₃
C.
Cl₂O₇
D.
Na₂O
0
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(b) As₂O₃
(10) s-block और p-block के तत्वों के group का पहला सदस्य अपने किस कारण से anomalous behaviour दिखाता है??
A.
Small size (छोटा आकार)
B.
Large ratio (charge/radius) (बड़ा अनुपात (चार्ज/त्रिज्या))
C.
High electronegativity (उच्च विद्युत ऋणात्मकता)
D.
All of these (ये सभी)
0
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(d) All of these (ये सभी)
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